What do I need to know about RTK?

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Timestamps:

00:55 -Paul and Rob share information about the new Drone U courses
01:49 – Today, we talk about using Real Time Kinematics, otherwise known as RTK
06:20 – Defining Ground Control Points (GCP) and listing their benefits
07:13 – We discuss how Real Time Kinematics are important for drone mapping
07:52 – Discussing how using Ground Control Points result in more accurate elevation data
09:53 – What is the the drawback using Trimble GPS data?
10:04 – What is the cost of a propeller?
10:54 – We discuss how you can do progression modeling and build a time lapse model
11:41 – Learn how the Litchi App can come handy while on a mapping mission
13:47 – Is the Yuneec 520 better suited for creating hyper lapse models compared to the Phantom?
14:44 – We talk about the superior capabilities of the Yuneec 520 with regards to processing JPEG images
15:23 – Is the Phantom 4 Pro better suited for mapping compared to the Phantom 4 Advanced?

RTK GPS is not the thing that sits on a tripod with the laser level that is used on construction sites, lol. RTK GPS is surely not antiquated. The propellor ground control points uses single frequency L1. A survey grade RTK GPS unit uses dual frequency GPS (L1and L2) and can correct for tropospheric delays. Dual frequency GPS is more accurate and more expensive. With survey grade RTK GPS, you can export an ASCII file with coordinates that you can import directly into whatever software you're using. Propellor GCPs can only be used for one thing, RTK GPS can be used for sooooo much more.